=+ A normal quantile plot supports the assumption that mileage is at least approximately normally distributed. The

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=+ A normal quantile plot supports the assumption that mileage is at least approximately normally distributed. The R software reports the following summary statistics for this data:

> summary(odometer, digits=6)

Min 1st Qu Median Mean 1445.0 33928.8 68730.5 66221.1 3rd Qu Max 91932.8 137652.0

> sd(odometer)

37683.17

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Related Book For  book-img-for-question

Applied Statistics For Engineers And Scientists

ISBN: 9781133111368

3rd Edition

Authors: Jay L. Devore, Nicholas R. Farnum, Jimmy A. Doi

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